He has served as teaching assistant of xuzhou institute of technology Duhe Teaching and Research Section, clerk, assistant prosecutor and procurator of the Public Prosecution Department of Haidian District Procuratorate, deputy director and director of the trial supervision department of Beijing Procuratorate Branch, director of the Public Prosecution Department of Beijing Procuratorate, director of the dereliction of duty and infringement prosecution department, party secretary, deputy procurator-general and acting procurator-general of Xuanwu District Procuratorate, and vice president and acting president of Shijingshan District Court.